clint van zandt is a former fbi profiler and joins me right now. clint you have some new details about what we learned through this press conference? >> well, i think a number of things, thomas. as you just shared, we know the number of dead and wounded now, unfortunately. we also know in any type of large traumatic situations like this, the phone lines, cell phone lines go down very quickly. and i think one of the things you learn from a situation like that is that if you're involved, if you're near that and you can't get a phone call out, immediately try to text anyone you want to contact. you can normally get through if you use your phone for texting purposes, even though it won't function as a cell phone. now, we know the likelihood that police had to respond to an active shooter. as one of your previous guests indicated, this is something we learned after columbine high school that shooting there. there was a time when law enforcement would show up at the scene of an active shooter. they would wait the 15, 30, 45 minutes until s.w.a.t. might g